Percussion detecting device



FIG. 1 is a perspective view of a percussion detecting device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dashed broken lines illustrate portions of the percussion detecting device and form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for a percussion detecting device, as shown and described. 